Email Domain Lookup

Browse our comprehensive directory of popular email domains with detailed MX records, SPF, DKIM, DMARC authentication data, and mail server information. Research any domain before sending.

2,731 Domains Indexed
SPF, DKIM, DMARC Checks
MX Record Analysis
All (2,731) Freemail (200) Disposable (589) Corporate (1,134) Government (113) Education (431) Isp (264)
Domain ▲ Type Organization Mail Server Status
rmqkr.net disposable — above.com Active View
rnailinator.com disposable — None Inactive View
roadrunner.com isp Spectrum/Charter charter.net Active View
roberthalf.com corporate Robert Half International Microsoft 365 Active View
robinhood.com corporate Robinhood Markets Google Workspace Active View
roblox.com corporate Roblox Corporation Google Workspace Active View
roche.com corporate Roche Holding AG roche.com Active View
rochester.edu education University of Rochester rochester.edu Active View
rocketmail.com freemail Yahoo Inc. Yahoo Mail Active View
rockvalleycollege.edu education Rock Valley College Barracuda Active View
rogers.com isp Rogers Communications Yahoo Mail Active View
roper.com corporate Roper Technologies Inc. None Active View
rose-hulman.edu education Rose-Hulman Institute of Technology Microsoft 365 Active View
ross.com corporate Ross Stores Inc. None Active View
rotork.com corporate Rotork plc Mimecast Active View
rovio.com corporate Rovio Entertainment Google Workspace Active View
rpi.edu education Rensselaer Polytechnic Institute rpi.edu Active View
rpm.com corporate RPM International Inc. Rackspace Email Active View
rppkn.com disposable — above.com Active View
rrt.net isp Reservation Telephone Cooperative ispn.net Active View
rubrik.com corporate Rubrik Inc. Google Workspace Active View
runbox.com freemail Runbox Solutions AS runbox.com Active View
rust.edu education Rust College None Inactive View
rutgers.edu education Rutgers University rutgers.edu Active View
rwe.com corporate RWE AG rwe.com Active View
rwth-aachen.de education RWTH Aachen University rwth-aachen.de Active View
ryanair.com corporate Ryanair Mimecast Active View
s0ny.net disposable — discard.email Active View
sabic.com corporate SABIC Microsoft 365 Active View
sabre.com corporate Sabre Corporation Proofpoint Active View
safe-mail.net freemail Safe-mail None Active View
safersignup.de disposable — None Inactive View
safetymail.info disposable — mailinator.com Active View
safetypost.de disposable — None Active View
safran.com corporate Safran SA Microsoft 365 Active View
saia.com corporate Saia Inc. Microsoft 365 Active View
saic.edu education School of the Art Institute of Chicago Google Workspace Active View
sailpoint.com corporate SailPoint Technologies Proofpoint Active View
salesforce.com corporate Salesforce Inc. Proofpoint Active View
salvationarmy.org corporate The Salvation Army Microsoft 365 Active View
samhsa.gov government Substance Abuse and Mental Health Services Administration fireeyegov.com Active View
samsara.com corporate Samsara Inc. Google Workspace Active View
samsonite.com corporate Samsonite International Microsoft 365 Active View
samsung.com corporate Samsung Electronics samsung.com Active View
sandelf.de disposable — abusekiste.net Active View
sandiego.edu education University of San Diego Google Workspace Active View
sandvik.com corporate Sandvik AB Microsoft 365 Active View
sanity.io corporate Sanity Inc. Google Workspace Active View
sannet.ne.jp isp SANNET gol.com Active View
sanofi.com corporate Sanofi SA Mimecast Active View

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